摘要
在海上油气田开发过程中,由于地层腐蚀性流体作用及入井工具对套管损伤等原因,套管会出现腐蚀或穿孔的问题,严重影响后续海上调整井作业及增产措施的实施,同时对海上油气井的安全生产形成威胁。研究设计了一种新型套管回接器,并对回接筒密封、篮式卡瓦、扶正引鞋、加长筒及配套辅助装置进行了优化改进,进一步提高了套管回接效率和成功率。现场应用表明:该套管回接器结构合理,操作简单,回接装置密封可靠且耐高温,可为海上发生套管腐蚀损坏的油气井恢复正常生产提供技术支持,对修复海上油气井的井筒完整性有重要意义。
In the process of oilfield development,due to the existence of formation corrosion fluid,in addition,in the process of drilling,completion and workover,the wear of downhole tools on the casing and the defects of the casing itself may lead to the problem of casing corrosion or perforation,which directly affects the production safety of oil and gas wells.A new type of casing connection device is studied and designed,and the sealing of the connection barrel,basket slip,centralizing guide shoe,extension barrel and supporting auxiliary devices are optimized and improved to further improve the casing connection efficiency and success rate.The field application shows that the casing connector has reasonable structure,simple operation,reliable sealing and high temperature resistance.It can provide technical support for the recovery of normal production of oil and gas wells with casing corrosion damage,and is of great significance for repairing the wellbore integrity of offshore oil and gas wells.
作者
李志彬
黄毓祥
陈鹏飞
李清涛
刘志伟
LI Zhibin;HUANG Yuxiang;CHEN Pengfei;LI Qingtao;LIU Zhiwei(CNOOC Ener Tech-Drilling&Production Co.,Tianjin 300459,China)
出处
《石油矿场机械》
CAS
2022年第2期77-82,共6页
Oil Field Equipment
基金
中海油能源发展股份有限公司科技项目“损坏套管回接技术研究和配套工具研制”(HFKJ-GJ2017004)。
关键词
套管回接器
密封
卡瓦
引鞋
辅助装置
应用
casing connector
seal
slip
guide shoes
auxiliary device
application
作者简介
李志彬(1987-),男,工程师,现主要从事海上油气田钻井工艺及工具研究工作,E-mail:lizhb18@cnooc.com.cn。
